The Mortal Instruments: City of Heavenly Fire Book Cover in the works

We still have about 10 months until we get our hands on The Mortal Instruments: City of Heavenly Fire, but Cassie has confirmed on her twitter account that they in the process of making the book cover as we speak!

RT @patchCarstairs: " have you got any ideas for a COHF book cover?:)" They're working on it now.